Information on GNC in Methuen, MA 01844 Outlet Note Regular Brands GNC Massachusetts Methuen 328299 Rating 4.7 based on 97 votes Address 176 Haverhill Street Methuen, MA 01844 Phone Hours may vary in different stores. For accurate hours, please contact each store directly. Suite643 Hours may vary in different stores. For accurate hours, please contact each store directly. Nearby GNC Outlet GNC Outlet - Billerica GNC Outlet - Burlington GNC Outlet - Danvers GNC Outlet - Bedford People Also Viewed